Knockdown veneer-press.



PATENTED JULY 28, 1908. D. S. AOKLEY. KNOGKDOWN VENEER. PRESS.

APPLICATION FILED MAY 5, 1908.

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D. S. AGKLEY.

KNOOKDOWN VENEER PRESS.

APPLICATION FILED MAY 5. 190g.

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D. S. AGKLEY. KNOGKDOWN, VENEER PRESS.

APPLICATION FILED MAY 5, 1908.

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D. AOKLEY. KNOOKDOWN VENEER PRESS;

APPLICATION FILED MAY 5, L908.

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UNITED STATES PATENT OFFICE.

DAVID S. AGKLEY, OF GRAND RAPIDS, MICHIGAN.

KN OOKDOWN VENEER-PRESS.

To all whom it may concern:

Be it known that I, DAVID S. AoKLEY, a citizen of the United States of America, residing at Grand Rapids, in the county of Kent and State of Michigan, have invented certain new and useful Improvements in Knockdown Veneer-Presses; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which itappertains to make and use the same.

My invention relates to improvements in knockdown veneer clamps. lts object is to provide a convenient and powerful clamping device for various veneered articles; to provide a device that is adaptable to various di' mensions of work and to provide the same with various new and useful features as hereinafter more fully described and particularly pointed out in the claims.

The device consists essentially of any convenient number of pairs of clamping beams adapted to extend above and below the work on which the veneer is laid, coupling bars detachably connecting the clamping beams and pressure beam for each pair of clamping beams carrying one or more screws for applying pressure to the upper beams and adapted to receive the coupling bars, and hoisting devices for supporting and adjusting said pressure beams, as will more fully ap ear by reference to the accompanying (ii'awings in which:

Figure 1 is an end elevation of a device embodying my invention; Fig. 2 a side elevation of the same with parts broken away Fig. 3 a plan view of a portion of the device; Fig. 4 a perspective of the clamping beams, coupling bars, pressure beam and screw comprising one set, in disassembled relation; Fig. 5 a transverse section of one of the pressure beams on the line 55 of Fig. 3; and Fig. 6 a side elevation of a portion of the device with the parts supported thereon removed and the pressure beams elevated to permit another car to be run under the same.

Like numbers refer to like parts in all of the figures.

1 represents a car of any convenient dimensions on which is placed any convenient number at intervals of the lower clamping beams 2, upon which the material to be clamped consisting of veneered material and boards as usually assembled, is laced. Above these and directly above each beam 2 Specification of Letters Patent.

Application filed May 5, 1908.

Patented July 28, 1908.

Serial No. 431,058.

are similar clamping beams 3, these upper and lower clamping beams being connected in pairs by vertical coupling bars 4 inserted in recesses in the ends of the clamping beams. These beams 2 and 3 are each made of two channel bars placed back to back with a filling strip therebetween as at 2 and 3 in Fig. 4 of such thickness and length as to leave recesses between the ends of the channel bars to receive the bars 4. Pins 6 in the bars 4 engage the under side of the clamping beams 2 and angle plates 5 attached to the bars 4 support them in vertical position when placed in the ends of the beams 2. The bars 4 are also provided with a series of holes 7 to receive pins 8 above the upper clamping beams 3; and to take up any space between these pins and the upper side of the beams 3, I provide blocks 9 to engage the under side of the pins 8 and having inclined lower sides, between which blocks and the top of the beams 3 are inserted Wedges 10, whereby any slack between the pin 8 and the beam 3 is taken up to conform to the thickness of the stock between the beams 2 and 3.

The coupling bars 4 extend upward sufficient to-pass through recesses in the ends of the pressure beam 1 1, which beam is also made of two channel bars curved outward at the middle to receive a filling piece 11 in which is a vertical screw threaded opening to receive a screw 12, the lower end of which screw engages the up er clamping beam 3 and thus when the (evice is adjusted as shown in Figs. 1 and 2, by turning the screw a heavy pressure can be applied to the clamping beams 2 and 3 to force the same toward each other. After the ressure has been thus applied the blocks and wedges 9 and 10 are inserted and tightly forced between the beam 3 and the pins 8. The screw 12 can then be released, the pins 14 in the upper ends of the coupling bars removed, and the pressure beams raised.

To afford convenient means for raising, supporting and placing the beams 11 in position, sills 13 consisting of I-beams are extended beneath the beams 11 and these sills are suspended at their respective ends by cables 15 wound on drums 16 mounted on shafts 17 suitably located and journaled in hangers 18 preferably attached to the ceiling above or to some other elevated support. To counterbalance the weight of these sills and beams and to properly operate this hoisting mechanism a third drum 16 is supplied to each shaft on which drum is wound a' cable 31 to the end of which is attached a weight 19 guided in vertical ways 20, this means of sprocket wheels 22 and a chain 30 and a sprocket wheel 21 is provided on one of said shafts engaged by a chain 23, which chain extends downward to a corresponding sprocket wheel 24 on a shaft 29 journaled in a bracket 28 supported on one of the ways 20'. This shaft 29 is also provided with a handwheel 27 to manually rotate the same, and aratchet wheel 25 engaged by a pawl 26 to hold the same from turning when the beams 11 are elevated.

32 re resents a platform conveniently lo cated, om which to supply material to be placed in the device.

From the foregoing description, the operation of the device will be readily understood. Any convenient number of sets of clamping beams 2 and 3, coupling bars 4 and a beam 11 with a screw 12 can be used. The beams are laced at intervals on the sills 3, the lower eams 2 at corresponding intervals on the car 1, the material and upper beam 3 placed thereon, and after the device has been adjusted and tightened as described and the beams 11 hoisted clear of the upper ends of the bars 4, the loaded car can be run out and away and an empty car supplied, together with the necessary material and clamping means, and the operation repeated indefinitely using the same pressure beams for each car 1n successlon.

What- I claim is:

1. A knockdown veneer press comprising a pair of opposing beams having recesses in their ends, coupling bars detachably inserted in said recesses, pins in the bars opposite said beams, blocks between the pins and one of said beams, and wedges between the blocks and said beam.

2. A knockdown veneer press comprising a pair of opposing beams having recesses in their ends, coupling bars detachably inserted in said recesses, pins in said bars opposite the non-adjacent sides of said bars, angle plates on the bars to engage one of the bars oppositely to said pins, a series of openings in the bars for adjusting the other pins, and wedges between said last named pins and the said bar.

3. A knockdown veneer press comprising a lower and an upper clamping beam having recesses in their ends, coupling bars detachably inserted in said recesses, a pin and an angle plate on each coupling bar to oppositely engage the lower beam, a pin in each coupling bar above the upper beam and adjustable in the bar, blocks engaging the upper pins, and wedges between the blocks and upper beam.

4. A veneer press comprising a lower clamping beam, an upper clamping b'eam, coupling bars connecting said beams and extending above the same, means for securing the bars in placein said beams, a pressure beam detachably connected to the upper ends of said coupling bars, and a screw in said beam and adapted to engage the upper clamping beam.

5-. A veneer press comprising a. pair of clamping beams, coupling bars connecting said beams, means for adjustably connecting said bars to said beams, a pressure beam having ascrew to engage one of the clamping beams, means for attaching said pressure beam to the coupling bars, and means for raising and lowering said pressure beam and screw.

6. A veneer press comprising a car, a lower clamping beam resting on the car, coupling bars detachably connected to said beam and extending upward therefrom, an upper clamping beam, means for adjustably attaching said upper beam to the coupling bars, a pressure beam above the upper clamping beam, means for detachably connecting the pressure beam to the coupling bars, hoisting means connected to the pressure beam tosupport and adjust the same, and means for-operating said hoisting means.

7. In a veneer press, the combination of a car, a series of lower clamping beams on the car, coupling bars detachably inserted in the ends of said beams and extending upward therefrom, upper clamping beams having recesses in their ends to receive the coupling bars, pins adjustable in the said bars and above the last named beams, wedges between said beams and the said pins, pressure beams having recesses to receive the coupling bars, screws in the pressure beams to engage the upper clamping beams, pins in the 1 bars to engage the pressure beams and means for hoisting and lowering the pressure beams and screws.

8. In a veneer press, the combination of a its car, beams resting on the car and having end 1 15 recesses, coupling bars detachably inserted in said recesses, pins and angle plates on the bars and engaging the said beams, upper a pressure beam, a screw in said beam and adapted to engage the clamping means, a shaft supported in bearings above the said beam, drums on the shaft, cables wound on the drums and connected to said beam, means for rotating the shaft, and means for holding the shaft from rotating.

10. In a veneer press, in combination with a car and a series of knock-down clamps supported thereby and having upwardly extending coupling bars, a series of pressure beams having end recesses to receive the bars, means for detachably securing the beams to the bars, screws in the beams to engage the clamps, sills on which the beams are adjustably supported, shafts supported in hangers above the respective ends ofthe sills, drums onthe shafts, cables wound on the drums and attached to the respective ends of the sills to support the same, means for simultaneously rotating the shafts, means for holding the shafts from rotating, and means for counterbalancing the sills and beams.

11. In a veneer clamp, clamping beams each comprising two channel bars arranged with their channeled sides outward, a filling strip therebetween and of less length than the channel bars, coupling bars inserted between the ends of the channel bars, and means for detachably connecting the coupling bars and the beams.

12. In a veneer clamp, clamping beams having recesses in their ends, coupling bars inserted in the said recesses, means for detachably connecting the coupling bars and beams, a pressure beam comprising two channel bars having their channeled sides outward and a filling piece of less length than the channel bars, and having a screw threaded opening, a screw in said opening and adapted to engage a clamping beam, and means for detachably connecting the pressure beam and the coupling bars.

13. A veneer press comprising a knockdown clamping device, and a pressure beam consisting of two channel bars curved outward at the middle and spaced apart, a filling piece therebetween having a screw-threaded opening, and a screw in said opening adapted to engage the clamping device.

14. In a veneer press, the combination of a car having a series of clamping devices, a corresponding series of pressure beams adapted to be detachably secured to the respective clamping devices, sills adjustably supporting said beams, shafts above the respective ends of said sills and journaled in hangers, means for supporting said hangers, drums on said shafts, cables wound on the drums and attached to the respective ends of the sills, sprocket wheels and chains connecting said shafts, a third drum on each shaft, a cable wound on each third drum, a weight attached to each of said last named cables, a second sprocket wheel on one of said shafts, a manually operated shaft, a sprocket wheel on the same, a chain connecting the two last named sprocket wheels, a ratchet wheel on the manually operated shaft, and a pawl engaging the ratchet wheel.

In testimony whereof I affix my signature in presence of two witnesses.

DAVID S. ACKLEY.

Witnesses:

GEORGIANA OHAoE, LUTHER V. MoULToN. 

